Electric fan



FIG. 1 is a perspective view of an electric fan;

FIG. 2 is a front view of the electric fan shown in FIG. 1;

FIG. 3 is a back view of the electric fan shown in FIG. 1;

FIG. 4 is a left view of the electric fan shown in FIG. 1;

FIG. 5 is a right view of the electric fan shown in FIG. 1;

FIG. 6 is a top view of the electric fan shown in FIG. 1; and,

FIG. 7 is a bottom view of the electric fan shown in FIG. 1.

The broken lines illustrate portions of the electric fan that form no part of the claimed design. 

CLAIM The ornamental design for the electric fan, as shown and described. 